Multiple choice

Sally owns a bookshop and keeps record of the number of books sold in a day. At the end of the month, she observes that the total number of books sold by her is a prime number. Which of the following can be the number of books sold?

  1. 187

  2. 189

  3. 191

  4. 201

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

191 is a prime number. Therefore, number of books sold by her can be 191.